Cheap Mercedes Benz Slk cars under £20,000

With a budget of £20,000 you can grab a great bargain. Most of the cars advertised on our site are heavily reduced in price and come with a free history check

129 Mercedes Benz Slk cars under £20,000 - 39 reductions

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Recently reduced (39)

Daniel Alexander Motor Group Limited, Melton Lane Signal Box, North Ferriby

£18,991
Was £19,991 Save £1,000

Mercedes Benz SLK 5.4 SLK55 V8 AMG Convertible 2dr Petrol G Tronic Euro 4 (360 ps)

Description includes bluetooth interface, radio, bluetooth, sports suspension, wind deflector, mp3 compatible, centre console storage, alloy wheels, centre console, pas, auto climate control, climate control, service history, alloys, speakers, audio, bluetooth system, cd...eee

DT Performance Cars, Unit 1A, Atherstone

£18,950
Was £19,950 Save £1,000

Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2dr Petrol Automatic (288 g/km, 360 bhp)

This model has electric windows (front), driver, power assisted steering, pas, computer, alloy wheels, black, adjustable steering column, air bag driver, adjustable steering column/wheel, passenger, central door locking, spare wheel, alarm, air bag passenger, elect...eee

St James Motor Company William Street, 4 Muira Estate, Hampshire

£18,490
Was £19,490 Save £1,000

Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2dr Petrol 7G Tronic (288 g/km, 360 bhp)

Options include black, bluetooth, headlamp wash, alloy wheels, service history, alarm, air bag, immobiliser, central door locking, adjustable steering column/wheel, steering wheel leather, full service history, leather, anti lock brakes, adjustable steering column, ...eee

Prime Motors, Rear of Unit 12,, Hoddesdon

£17,749
Was £18,749 Save £1,000

Mercedes Benz SLK 5.5 SLK55 V8 AMG Convertible 2dr Petrol SpdS MCT Euro 5 (s/s) (421 ps)

This model has alloy wheels, rear parking sensors, tinted glass, alarm, immobiliser, navigation system, voice control, central locking, electric windows, headlight wash, 18in alloy wheels, parking sensors, heated front seat, automatic, cd radio, air con, usb, cd, s...eee

Eclipse Car Sales Limited, 89 Main Road, Winchester

£12,995
Was £13,449 Save £454

Mercedes Benz SLK 2.1 SLK 250 D AMG SPORT 2d 201 BHP

Options include alloy wheels, alarm, multi function steering wheel, dab radio, bluetooth interface, airbag, audio, convertible, driver, bluetooth, rear parking sensors, brake assist, air conditioning, mot, leather, passenger, parking sensors, abs, anti lock braking ...eee

M&W Automotive LTD, Unit 6 Fleet Marston Farm, Aylesbury

£12,750
Was £12,995 Save £245

Mercedes Benz SLK 2.1 SLK250d AMG Sport Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)

With navigation system, finance available, anti lock braking system, leather, airbags, abs, airbag, automatic, air conditioning, mot, air con, heated seats, 18in alloy wheels, part exchange welcome, alloy wheels, service history, driver, black...eee

Troon Cars LTD, 33 Wenlock Way, Leicester

£11,990
Was £12,500 Save £510

Mercedes Benz SLK 1.8 SLK200 AMG SPORT EDITION 2d 184 BHP

With tinted glass, air con, bluetooth, radio, electric windows, air conditioning, heated front seats, hpi clear, rear parking sensor, black, automatic, finance available, leather, audio, alloy wheels, spare wheel, parking sensors, satellite navigation, au...eee

Troon Cars LTD, 33 Wenlock Way, Leicester

£11,750
Was £11,990 Save £240

Mercedes Benz SLK 2.1 SLK250 CDI AMG Sport Convertible 2dr Diesel G Tronic+ Euro 5 (s/s) (204 ps)

Featuring dab radio, dab digital radio, wind deflector, heated seats, bluetooth, navigation system, automatic, daytime running lights, air con, audio, audio 20, finance available, bluetooth interface, heated front seat, leather interior, 18in alloy wheels, cli...eee

Troon Cars LTD, 33 Wenlock Way, Leicester

£10,990
Was £11,500 Save £510

Mercedes Benz SLK 2.1 SLK250 CDI AMG Sport Convertible 2dr Diesel G Tronic+ Euro 5 (s/s) (204 ps)

Comes with cruise control, black, finance available, hpi clear, radio, cd, leather, dab radio, bluetooth, heated seats, electric windows, heated front seat, 18in alloy wheels, heated front seats, speed limiter, air conditioning, automatic, wind deflector, dab d...eee

Prestige Car Supermarket, A19 Crockey Hill, York

£10,799
Was £10,999 Save £200

Mercedes Benz SLK 2.1 SLK250 CDI Convertible 2dr Diesel G Tronic+ Euro 5 (s/s) (204 ps)

Options include air con, anti lock braking system, daytime running lights, driver, dab digital radio, radio, cloth interior, led daytime running lights, airbags, bluetooth interface, esp, leather steering wheel, speed limiter, cd, brake assist, wind deflector, alumi...eee

129 cars under £20,000

Derby Trade Cars Limited Derby, Ascot Drive, Derbyshire

£19,990

Mercedes Benz SLK 5.5 SLK55 V8 AMG Convertible 2dr Petrol SpdS+7GT Euro 5 (s/s) (421 ps)

With paddle shift, front and rear parking sensors, sat nav, rear parking sensor, service history, sunroof, led daytime running lights, dab digital radio, black, rear parking sensors, radio, bluetooth audio streaming, heated seats, automatic headlights, cl...eee

Daniel Alexander Motor Group Limited, Melton Lane Signal Box, North Ferriby